TWI314723B - Method of reproducing an information storage medium having data structure for being reproduced adaptively according to player startup information - Google Patents

Description

1314723 IX. Description of the invention: [Technical field to which the invention pertains] The present invention is related to "Audio-Visual, AV in an interactive mode", [Prior Art] DVDs under the Pc architecture can be seen on the market ( With = dynamic DVD) 'There is a regenerative av data in the interactive mode. L^dvd can store interactive data, which is based on the traditional = like Μ (4) to support the interaction of Wei. Age-old interactive = two gifts can be played in two ways: - the kind of data is displayed in the same format as the DVD-like audio; another: kind: interactive mode, in which the data is reproduced from the AV data == in; ! Among them: the interactive image is from the interactive data, the V stomach is the case of the title, the corresponding: silly image and various additional information is displayed in the interactive class; this additional information includes the script of the film, the story of the film With the "method; ί title (AV material) with the resume of the person: the interactive information; the re-= time' contains his/her interactive information including the tagged slogan 1 , remember = internal file tag = points: The code is marked with a mark; the second image file, etc. is connected to the markup file and interacts with the 13317pifl.doc 5 1314723. It is dedicated to providing users with various types of use of the standard file file to provide additional markup files if additional content is included. It is displayed in the interactive towel in the language of no use, and the difficulty is very low. The present invention provides - (4) a storage medium, which has the ability to select the extra = valley. It is generated by the language selected by the latter, in advance (4), and when the information storage medium storing the AV material is reproduced, the AV material is reproduced in the interactive pattern towel, and the reproducing device and the reproducing method thereof. Is mentioning An information storage medium, the information storage medium includes an AV (4); an interactive material, which is associated with an AV image obtained from an AV material, and is displayed when the AV material is reproduced in the interactive mode. The content of the image; and the language information indicating the content obtained by the interactive material. The additional purposes and/or advantages of the present invention will be described below, and these purposes and/or advantages will be more or less through the following bribes, or A further object of the present invention is to provide an information storage medium comprising AV material; a plurality of ENAV applications, wherein in order to reproduce the AV material in the interactive mode, the parent ENAV application contains essentially similar but different languages. The inner valley generated by δ, as well as the language information, is used to select one of these enhanced audio visual (ENAV) applications. A further object of the present invention is to provide a reproducing apparatus, including audio visual , AV) regeneration engine, which is used to decode data f 13317pifl.doc 6 1314723 and enhanced audio visual (ENAV) engine, including broadcast Language information, which is used to select one of the most ENAV engines, each of which contains content that is similar in nature but produced in a different language, and which translates and executes the selected ENAV with reference to the player language information. Application in order to regenerate av data in an interactive mode. Another object of the present invention is to provide a method of reproducing Av data in an interactive mode, the method comprising reading language information indicating a language, wherein the language system and Use the content in the interactive data together; refer to the read language information to select and read the interactive data, wherein the interactive data is generated in the same language as the playing language information and the playing language is set in the reproducing device towel ; and literally translate and execute this read interactive material. The above and other objects, features, and advantages of the present invention will become more apparent from the description of the appended claims. The embodiment of the present invention will be described in detail with reference to the drawings, wherein the interactive resource can refer to the record to support the mutual city type (4), and includes the mark file recorded by the mark, the word and the /_ code. Connected with the tag file or code file, program file, sound file, file file and as a transfer file. It is used to connect with the tag file and mark the file. The content, eight, acts as an application to reproduce the 13317pifl.doc 7 1314723 AV material in interactive mode. 1 is a schematic diagram of a display reproduction system according to an embodiment of the present invention. Referring to FIG. 1 'the reproduction device includes an enhanced AV (ENAV) disc 100 (which serves as an information storage medium and supports an interactive mode), and the reproduction device 200' The remote controller 400 receives the control commands that are wheeled in from the user and switches them to the playback device 2, without the 300 (eg, TV) and remote controller 400 (which acts as a user input device). The reproducing device 2 reproduces the AV material recorded in the ENAV disc, and if the ENAV disc 1 is loaded in the DVD drive included in the reproducing device 200 and the user selects the mutual handle, The artist device regenerates the ENAV disc 1 in the interactive mode and converts the reproduced data to the display device 3〇〇. The display device 300 simultaneously displays the eight-¥ image corresponding to the reproduced AV # material and the interactive image obtained from the mutual domain money, and the mutual-learning system refers to the method for displaying the «Women-age AV image, and the emotional window definition In the markup file, the interaction should be ^, that is, the method of displaying the AV image and the silk image when the av image is embedded in the square of the interactive image. The AV shirt image represents an image in which the image is recorded on the dish 100. The DVD video data is reproduced by the reproducing device and 2 is not in the display device. The silk image is represented as an image, and the interactive application recorded on the ENAV disc (10) in the basin 2 is directly translated by the reproducing device and displayed on the display device. Outline t, in the meantime, "Audio mode," is a method of reproducing AV data according to a method defined in the conventional DVD video, that is, a method of displaying an AV shadow (4) by reproducing the corresponding A. In this implementation, the regenerative w is simultaneously supported, I33I7pifl.doc 8 1314723, interactive mode and audio and video mode, and the device receives AV data and/or interactive data. The road regeneration device has a system parameter list including system parameters (SpRMs) including player language information, and the reproduction device _ borrowing player language information to select interactive data for use in the interactive mode ^ SPRMs can be stored in the regeneration device 2 〇〇 in memory. ENAV disc 1〇〇f language information, in which the language information indicates that the language in the content of the interactive data is stored in the language of the disc a is the same as stored in the spRMs. Player language resource = cumin, the disk language information is different from the playback language information, the disk language § poor = is recorded in the ugly 1 ^ eight ¥ disc 1 并 and indicate the corresponding interactive data. When the interactive mode is selected, the reproducing apparatus 200 reads the language information recorded on the ENAV disc, compares the read language information with the language information itself stored in the system parameter, and uses the selection according to the comparison result. Interactive data to perform regeneration. 2 is a schematic diagram for explaining the operation of the ENAV disc 100 according to the present invention. Referring to FIG. 2, the interactive material corresponding to the language information is recorded on the ENAv disc 100, that is, the interactive material #1 corresponding to the language information #1 exists, and the corresponding language The interactive data #2 of the information #2 exists, ..., the interactive material #n corresponding to the language information #n exists, where 11 is an integer. If the playback language information set in the playback device 200 is the same as the language=information #2, the playback device 200 obtains the interactive profile #2 corresponding to the language information #2 and reproduces the corresponding gossip data in the interactive mode, for example, If the right-to-play language information is "English", the playback device 2 will use the interactive language information corresponding to the language information, English, and recorded in the interactive data on the 9 13317pifl.doc 1314723 ENAV disc 100. Figure 3 is based on this The embodiment of the present invention shows a schematic diagram of the capacity space of the £NAV disc 100 of FIG. 2. Referring to FIG. 3, the capacity space of the ENAV disc 1 includes recording the capacity and file structure area regarding the capacity and the file information, and recording in the DVD-sound format. The audio and video material area of the data or video title and the ENAv file area supporting the interactive mode. AV VTS—01_1.V〇B... which constructs the video title. VTS 01 I — video title, which is the audio and video object, the pilot package, Video and audio sentence. The VIDEO-TS.IFO including the reproduction control information for all the video title recorded in the disc 100 is included in the A D\D video material area, and the first video title is included. Control VTS-〇1-billion information Positive billion and as VTS AV data 〇1 billion v〇B,

The file is displayed together, 13317pifl.doc 1314723 as described above. 4 is a schematic diagram showing the directory structure of the ENAV disc 1 in FIG. 2 according to an embodiment of the present invention. Referring to FIG. 4, the directory has a DVD video directory VIDEO-TS and an EBAV directory DVD-ENAV, which is a storage support interaction. Mode of ENAV data. The DVD video directory viDEO_TS stores the above information in Figure 3, that is, VIDEO-TS.IFO, VTS_01-O.IFO, VTS_0]_〇.VOB, VTS_01_1.VOB, etc. 'EBAV directory DVD-ENAV stores the data in Figure 3 above , that is, the starting file STARTUP.MLS and other ENAV targets. FIG. 5 is a schematic diagram showing the relationship between the av data and the ENAV mark recorded on the ENAV disc in FIG. 2 according to an embodiment of the present invention. Referring to FIG. 5, the ENAV disc 1 stores an ENAV application corresponding to the AV data to ensure seamlessness. regeneration. An ENAV application is a collection of a plurality of ENAVs, in order to ensure seamless reproduction of AV data. ENAV applications corresponding to AV data that are reproduced in the inter-domain of AV data are pre-buffered. Each ENAV application includes a load information block, and the loading information slot stores the location information of the ENAV mark, which is required to reproduce the corresponding A V data in the interactive mode. The location information of the ENA v slot includes 2 bits for the leg v floor. The ENAV application is pre-buffered before being launched, and the ENAV _ position f message is preloaded. Because each pre-quick V application (10) data for each job application is guaranteed to be seamlessly regenerated, according to: ^ user interface, 'the content provider ensures that there is no _, this Methodology - a part of the title / should be 13317pifl.doc 1314723 sound title or a chapter of the audio and video title. In the meantime, the preload is pre-loaded, and the post-loading is used to buffer the expected ENAV file after the corresponding ENAV file is transmitted. An ENAV application cannot always include the EN AV file to be loaded afterwards, if the post-loading is needed. 'The post-loading information required after the event (for example, the location information of the ENAV file loaded afterwards) will be recorded in the loading information. Fig. 6 is a block diagram showing a reproducing apparatus 2A according to an embodiment of the present invention. Referring to Fig. 6, the reproducing apparatus 200 includes a reader 1, an AV reproducing engine 2, an ENAV engine 3, and a memory 4 storing SPRMs. Interface, ΑΠ) to communicate with ENAV engine 3 擎2 informs ΕΝΑV to guide the ·V, and the leg V engine 3 instructs the status of the regeneration engine 2 to respond, that is, the regeneration

The reader 1 reads the AV material, in other words, according to the DVD video material of the control signal transmitted from the ENAV engine and the ENAV file from the DVD 1〇〇, the AV reproduction engine 2 is reproduced by the reader i -资5 'Because AV data is DVD audio and video material, the AV reproduction engine 2 is implemented by a DVD video reproduction engine that reproduces DVD audio and video data. The AV reproduction engine 2 is a transmissive interface (appiieatiQn __ 〗 'Specially, In the present invention, the literal translation and execution mark file becomes 13317pifl.doc 12 1314723 ENAV file, and the DvD video material recorded on the DVD 100 can be reproduced in the interactive mode, and the ENAV engine 3 mixes and outputs the reproduced DVD. The video stream and the directly translated mark file, according to which the image is not displayed in the display device 3GG, in which the AV image is reduced in the interactive image, during which the ENAV engine 3 includes various plug-ins, and the plug-in program is used to enable various inclusions. In the markup file or the file format connected to the markup file, for example, in order to reproduce the AV material for the Windows Media Player, the ENAV Engine 3 will call the Windows Media Player while The ENAV engine 3 accesses the network and obtains the expected information, such as the ENAv file. In particular, in the present embodiment, the ENAV engine 3 parses the language information recorded in the initial file, and the language information and records. The player language information on the system parameter table is compared and the corresponding loading information file is selected according to the comparison result. The loading information file includes a list of ENAV files, which should be pre-buffered or used for seamless regeneration during reproduction. The ENAV engine 3 buffers the Enav file in a buffer (not shown) based on the selected load information, which is included in the ENAV engine 3, and then literally translates and performs the initial broadcast of the ENAV file. In the embodiment of the invention, a schematic diagram of the start slot STARTUP.MLS is shown. Referring to Figure 7, the start label STARTUP.MLS written in the markup language includes two components: a yes, a walledgarden component and a 'loadinginfo' component. The ''walledgarden' component consists of a connected garden list file, the series of which allows access to the network area accessed through the ENAV disc 100, or access based on the parent level The file, "walledgarden" component may or may not be recorded 13317pifl.doc 13 1314723 in the starting file. The ''loadinginfo' component includes a connection load information file indicating the ENAV_location information belonging to the ENAV application for loading Into the ENAV application, where the ΕΝΑV application is a collection of ENAv buildings, where the ENAV standard is required when reproducing data in the interactive mode, and most of the ENAV applications are selected to be recorded by the user, which is included by using , loadinginf0,, "c〇nditi〇n," in the component. In more detail, the status information disparity for selecting the ENAV application is included in the "(3) stealing element" 'name' attribute and the "value" attribute to be recorded. The starting file shown in Figure 7 includes two, i〇adinginf〇" components, reference number A and the first recorded "i〇acjinginf", a part of the component, reference number B Indicates that a part of the second "1〇adinginf〇" component that is recorded is included in the first, "l〇adinginf0,", "condition" element's "name" attribute and "value", the attribute value respectively It is recorded as "lang" and "en", which is used to indicate that the inner valley of the ENAV file included in the ENAv application is generated in English 'it is referenced by the first "l〇adinginfo" element' included in the second The "name" attribute and the "value" attribute value of the "condition" element in the ''loadinginfo' component are recorded as "lang," and "ki", respectively, which are used to indicate that the content of the ENAV file that constructs the reference ENAV application is in Korean. Generated, the application language is represented by a low data set of English words, wherein the low data set English words are defined by two traits defined in ISO-639. FIG. 8 is a schematic diagram showing a start file STARTUP.MLS according to another embodiment of the present invention. Referring to FIG. 8, the start file 14 13317pifl.doc 1314723 STARTUP .MLS includes two components: one is a ''walledgarden' component and ' The 'application' component, the "waiiedgarden" component is identical to the ''walledgarden' component in Figure 7. The ''application' component includes a connection load information file that indicates location information for the ENAV file belonging to the ENAV application, It is used to load the ENAV application 'where the ENAV application is a collection of ENAV files, where the ENAV block is required when reproducing data in the interactive mode, and the "conditi〇n" component included in the application" component is used to record the selection majority. The condition of one of the ENAV applications, which is used to connect to the starting file. The "param" element included in the ''condition' element) is used to indicate the attribute quality, which provides a selection criterion for selecting the corresponding ENAV application. In more detail, the status information used to select the ENAV application is included in, c〇nditi〇n, the parameter "name" attribute in the component and "vaiue," the attribute is recorded. The reference number C is represented by the first "appiicati" n" element reference ENAV application, reference number D denotes 第二V application by means of second, 叩pHcati〇n, component reference, enav referenced by the first "appHcati〇n" component, indication included in the corresponding ENAV The content of the file is generated in English, and the ENAV application indication referred to by the second ''application' element) is included in the ENAV (4) content is the same as the first application, except that it is produced in Korean. For f, it is represented by the English text of the low data set, and the low data set is composed of two characteristics defined in ISO-639. ^The silk mode does not consider the readable money _ different users == However, the present invention provides a plurality of interactive materials whose contents are not k, resulting in 'considering different users and using different languages, 13317pifl.doc 15 1314723 It allows users to attack their towel-type interactive data. Furthermore, the language information of the ENAV application is recorded on the starting floor, and the regenerative device can be used in advance to: ENV application. °. FIG. 5 is a display system parameter table according to an embodiment of the present invention. The characteristic data information is listed. Please refer to FIG. 9. System parameter=storage, regeneration device 2G0, system parameter 〇 to 2Q use system skin ^ κ It is the system parameter (spRMs) of the DVD audio and video standard (DVD specification for CD-ROM audio and video specifications), with ^β compatibility. In more detail, the new format of the eigen-reading or pure parameter table is included in the eigen-parameters of the 参数 参数 | ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ The values are stored in the SPRM and each parameter has a 16-bit integer value 'SPRM 0 to 2'. A detailed description of the parameters disclosed in the DVD-Audio standard and its parameters not directly related to the present invention will be omitted. 1. According to the present invention, SPRM is used as a player language information in the case: SPRMO stores language information, which enables the time to create a DVD video menu, and the playback device 200 compares the value set in the SPRM to the ENAV disc. The language information in 1〇〇, and when the gamma application is executed for the first time, select the ENAV application established in the same language as the menu. 2. In the case where the SPRM 16 is used as the player language information according to the present invention: ', the value of the SPRM 16 will be changed only when the reproducing device starts, when the device is being regenerated or operated at a time of 13 13317pifi.doc 1314723 The value of the SPRM 16 cannot be changed. The SPRM 16 stores the language information of the sound stream, which is used to simultaneously reproduce the dVd video when it is reproduced, which is in the format defined by the IS〇_639 standard. Therefore, the reproducing apparatus 2〇〇 The ENAV application is selected to be executed for the first time with reference to the value set in spRM16. 3. In the case where the SPRM 18 is used as the player language information according to the present invention: ^ =, the value of the SPRM 18 will be changed only when the reproducing device starts, and the spRM cannot be changed while the reproducing device is performing regeneration or operation. 18

HlSPRM 18 stores the language information of the sound stream, and then displays the subtitles of the audio and video. It is in the format defined by the ISO-639 standard. In the case of the I5 knife, the user will watch the movie words generated in their local language. The sound of the original language at the time of film production, according to which, the reproduced 00 selects ENAV, and its content is based on the same language as the subtitle, which is based on the language information of the subtitles in the DVD video, that is, the second reproduction device 200 refers to the tNAV application stored in spRM 18. Comment Case ^ According to the present invention, the player language information is recorded on the SPRM 21 according to the DVD video standard, and the spRMs 21 to 23 are reserved areas. The language: L This embodiment records the player on the "SPRMs". Bay 6 (the initial language stone horse), which is based on the IS〇_639 standard s°4:rspRM21, the same, only when the regeneration device is "the value will be changed, when the regeneration device is undergoing regeneration or operation 13317pifl .doc 17 1314723 Unable to change the value of SPRM21.

The 2 bytes of SPRM21 are recorded, played, and played. The remaining bits in the use of ^Ulu are immediately retained and used in the recording language information 21 ^Τι'λ TSO 4® ', and the skin is used to store other information. The format defined by SPRM 5 or other fresh records. Reference (4) η solution: flow chart of regeneration method, please

2 = installed r will check 2 = raw =: = judgment = whether the input disk is ENAV DVD J device 200 can not find the starting file, then the regenerative installation will be reproduced in the audio and video mode; ::: In the case of other types of disks, the reproducing device 2 is used. . Two = ship === start slot and judge that the loaded disk is the live device. When the video player selects the audio and video mode, then the user selects each other _'(^=(^11〇3), if it is read After the initial operation (job 11〇5), the reproduction device 200 will notify and read the corresponding language & one = ^ record f on the starting slot of the language i after === 're-set the TM battle in the series ENAV slot (job 11〇7), straight 13317pifl.doc 18 1314723 Translate and execute ENAV slot, and select AV data in θ γ ^. In the moving wheel type (job_regeneration has ten U two: " material method can be embedded The process tl media on a computer readable medium includes magnetic storage media (such as ROM, floppy disk, hard disk), optical reading media (such as CD_ROM and DVD) disk carrier (for example, transmitted through the Internet), but is not limited to The above media. As described above, the present invention provides an information storage medium having a data structure capable of selecting additional content, wherein the additional content is generated by a language selected by a user and stored in a language. When it is regenerated, the information storage media will reproduce the AV data in the interactive mode to A regenerative device and a regenerative method thereof, and, as such, the regenerative device can select a EMA 八 ¥ application to be executed and reproduce the selected EMAV application in a user readable language in an interactive mode. The above description of the preferred embodiments is not intended to limit the invention, and it is intended that the invention may be modified and modified without departing from the spirit and scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS [Fig. 1 is a schematic diagram showing a reproduction system according to an embodiment of the present invention. Fig. 2 is a schematic view for explaining the operation of an ENAV disc according to the present invention. The embodiment of the present invention shows a schematic diagram of the capacity space of the ENAV disc of FIG. 2. FIG. 4 is a schematic diagram showing the structure of the catalog 13317pifl.doc 19 1314723 of the ENAV disc of FIG. 2 according to an embodiment of the present invention.

$ AV data and records are shown in Figure 2 & schematic. : Block diagram of the regeneration device. Fig. 5 is a diagram showing the relationship of ENAV files on an ENAV disc according to an embodiment of the present invention. Fig. 6 is a diagram showing an embodiment according to the present invention. Fig. 7 is a schematic view showing an embodiment according to the present invention. Figure 8 is a schematic diagram showing the start file STARTUP.MLS in accordance with another embodiment of the present invention. 9 is a schematic diagram of a display system parameter table in which characteristic data information is listed in accordance with an embodiment of the present invention. Figure W is a diagram for explaining the data structure of the property data information recorded as the system parameters in Figure 9. 11 is a flow chart for explaining a regeneration method in accordance with an embodiment of the present invention. [Main component symbol description] 100. Enhanced AV (enhanced AV, ENAV) disc 200: Reproduction device 300: Display device 4 () (): Remote controller 1: Reader 2: Regeneration engine 3: ENAV engine 4: Memory for storing SPRMs 13317pifl.doc 20

Claims (1)

1314723-Na Xiu] IS period is No. 93106607 Chinese patent scope without slash correction Ben 10, the scope of patent application: 1. A regeneration method, which uses a regeneration I to regenerate AV data in an interactive mode, the regeneration The method includes: reading a language information 'the language indicating a language used together with the content included in the interactive material; selecting and reading the interactive material' is generated in the same language as the playback language information, wherein the playing Language reference to the read language information is set in the reproducing device; and literally translating and executing the read interactive data; wherein reading the read language information comprises reading from a starting file using a connection The language information recorded by a component of the information file is included in a corresponding enhanced audio visual (ENAV) application. 2. The regeneration method of claim 1, wherein the read speech read includes: the mutual city read material selection is enabled - the start slot is read for the first time and the language information is read. . Tian Ru applied for the regeneration method described in the first item of the patent scope, wherein reading the read county language information includes reading the individual instruction language language, wherein the language is used in a plurality of E_applications, and Each leak application includes content that is similar in nature but is generated in a different language from other ENAV applications' in order to regenerate the Av material in the interactive mode. ^ As described in the patent application scope, the regeneration method, the selection and the capture (4) includes the player language information from the - 参数 parameter table towel reproduction device, wherein the system parameter table is shown in 13147 Stored in a system parameter. 5. The reproducing method according to claim 1, wherein the selecting and reading the interactive data comprises finding a system parameter SPRM 0 to become player language information, and setting the same in the reproducing device according to the DVD video standard. . 6. The method as claimed in claim 1, wherein the selecting and reading the interactive data comprises reading an ENAV file belonging to the corresponding ENAV application by referring to a loading information file, wherein the loading information file The location information of the ENAV file is notified, and the ENAV file belongs to the corresponding ENAV application. 7. The method as claimed in claim 1, wherein the reading the language information comprises comparing the language information with the player language information and selecting one of a plurality of ENAV applications. 8. The method as claimed in claim 1, wherein the reading the language information comprises parsing the language information recorded by the component, wherein the component is connected to the loading information flag and the loading information is Tan is recorded in this corresponding ENAV application. 9. The method of claim 8, wherein the reading the language information comprises parsing the language information recorded in a component, wherein the component is storing a state of selecting a connection loading information file. , the connection loading information file is included in the component, and the component is connected to the connection loading information file. 10. The method of claim 7, wherein the reading the language information comprises parsing the language information, using a 1314m (four) name attribute and a "value", the attribute is recorded in a component, the complex ^Storage selection - the condition of the connection of the manned information file, wherein the connection is included in the amu, and the component is connected to the connection. 11. The regeneration method as described in claim 7 of the patent application, Complex: The language information includes grammar analysis of the language information, which is: the name attribute and a "vaiue", the attribute is recorded in a component, and the copy is linked to a loading information file. ^兀 12. The regeneration method as described in the scope of the patent application, the information including the grammar analysis of the language information, the two of which are fine. It has been recorded in a language code, which is based on an IS〇 639 standard. Including I3. A method for reproducing enhanced audiovisual material from a disc, the method for detecting ENAV data on the optical disc when an interactive mode is selected, and reading language information from a starting file on the optical disc; Selecting an ENAV data based on the read language information; and retrieving the data from the selected ENAV data from the optical disc; the t reading the language information includes reading from the initial slot case The linguistic information recorded by a component of the tribute file is included in a corresponding enhanced audiovisual application. /..., , as described in the scope of patent application 帛13, from the photoregeneration regeneration; the method of digesting, further includes: ▲ comparing the read language information with a player language information, which is stored in a system In the parameter table. </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> <RTIgt; AV data. twenty four